X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.2
Details 0.25M AMMONIUM ACETATE, 30% PEG 4000,0.1M SODIUM ACETATE (PH 4.6)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.87 α = 90
b = 34.35 β = 115.31
c = 44.29 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2002-01-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.4 15 97.8 0.055 -- -- 3.8 -- 21933 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.4 1.45 83.3 0.231 -- 6.7 2.6 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
DIRECT METHODS 1.4 15.0 -- 0.0 83520 -- 914 97.8 -- 0.1254 -- 0.1755 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.065
s_similar_adp_cmpnt 0.031
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.033
s_non_zero_chiral_vol 0.048
s_zero_chiral_vol 0.046
s_from_restr_planes 0.028
s_similar_dist 0.0
s_angle_d 2.03
s_bond_d 0.01
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 943.0
Occupancy Sum Non Hydrogen 1249.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 984
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 238

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SOLVE model building